Remove OwnPtr from Blink.

third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp

Index: third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp
diff --git a/third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp b/third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp
index 3a0a9554f38c4baded7dc645f9366eeba5a6d7a1..9a3dabcbff7b81727e33907ca7147941bd8686e8 100644
--- a/third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp
+++ b/third_party/WebKit/Source/web/SuspendableScriptExecutor.cpp
@@ -11,6 +11,8 @@
 #include "platform/UserGestureIndicator.h"
 #include "public/platform/WebVector.h"
 #include "public/web/WebScriptExecutionCallback.h"
+#include "wtf/PtrUtil.h"
+#include <memory>
 
 namespace blink {
 
@@ -65,9 +67,9 @@ void SuspendableScriptExecutor::executeAndDestroySelf()
 {
     // after calling the destructor of object - object will be unsubscribed from
     // resumed and contextDestroyed LifecycleObserver methods
-    OwnPtr<UserGestureIndicator> indicator;
+    std::unique_ptr<UserGestureIndicator> indicator;
     if (m_userGesture)
-        indicator = adoptPtr(new UserGestureIndicator(DefinitelyProcessingNewUserGesture));
+        indicator = wrapUnique(new UserGestureIndicator(DefinitelyProcessingNewUserGesture));
 
     v8::HandleScope scope(v8::Isolate::GetCurrent());
     Vector<v8::Local<v8::Value>> results;